APA引文

Espaldon, M. V. O., & Villanueva, J. D. (2004). The state of Philippine environment. Animo Repository.

Chicago Style Citation

Espaldon, Ma. Victoria O., and Jessica D. Villanueva. The State of Philippine Environment. Animo Repository, 2004.

MLA引文

Espaldon, Ma. Victoria O., and Jessica D. Villanueva. The State of Philippine Environment. Animo Repository, 2004.

警告：這些引文格式不一定是100％准確.